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1// RUN: %clang_cc1 -emit-llvm -O0 -debug-info-kind=limited %s -o - | \2// RUN: FileCheck --check-prefixes CHECK %s3 4// RUN: %clang_cc1 -triple hexagon-unknown--elf -emit-llvm -O0 -debug-info-kind=limited %s -o - | \5// RUN: FileCheck --check-prefixes CHECK,CHECK-LDsm %s6 7// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O0 -debug-info-kind=limited %s -o - | \8// RUN: FileCheck --check-prefixes CHECK,CHECK-LDlg %s9 10// Per PR26619, check that for referenced static const of floating-point type,11// we emit its constant value in debug info.12//13// NOTE that __fp16 is assumed to be 16 bits, float is assumed to be14// 32 bits, and double is assumed to be 64 bits. Size of long double15// is not known (for example, it is 64 bits for hexagon-unknown--elf,16// but 128 bits for x86_64-unknown-linux-gnu). Therefore, we specify17// target triples where it has a known size, and check accordingly:18// for the absence of a constant (CHECK-LDlg) when the size exceeds 6419// bits, and for the presence of a constant (CHECK-LDsm) but not its20// value when the size does not exceed 64 bits.21//22// NOTE that PR26619 is not yet fixed for types greater than 64 bits.23 24static const __fp16 hVal = 29/13.0f; // 2.2307692307692307692 (2.23046875)25 26static const float fVal = -147/17.0f; // -8.6470588235294117647 (-8.64705849)27 28static const double dVal = 19637/7.0; // 2805.2857142857142857 (2805.2857142857142)29 30static const long double ldVal = 3/1234567.0L; // 2.4300017739012949479e-06 (<depends on size of long double>)31 32int main(void) {33 return hVal + fVal + dVal + ldVal;34}35 36// CHECK: !DIGlobalVariableExpression(var: [[HVAL:.*]], expr: !DIExpression(DW_OP_constu, 16502, DW_OP_stack_value))37// CHECK: [[HVAL]] = distinct !DIGlobalVariable(name: "hVal",38// CHECK-SAME: isLocal: true, isDefinition: true39 40// CHECK: !DIGlobalVariableExpression(var: [[FVAL:.*]], expr: !DIExpression(DW_OP_constu, 3238681178, DW_OP_stack_value))41// CHECK: [[FVAL]] = distinct !DIGlobalVariable(name: "fVal",42// CHECK-SAME: isLocal: true, isDefinition: true43 44// CHECK: !DIGlobalVariableExpression(var: [[DVAL:.*]], expr: !DIExpression(DW_OP_constu, 4658387303597904457, DW_OP_stack_value))45// CHECK: [[DVAL]] = distinct !DIGlobalVariable(name: "dVal",46// CHECK-SAME: isLocal: true, isDefinition: true47 48// CHECK-LDlg-DAG: [[LDVAL:.*]] = distinct !DIGlobalVariable(name: "ldVal", {{.*}}, isLocal: true, isDefinition: true)49// CHECK-LDlg-DAG: !DIGlobalVariableExpression(var: [[LDVAL]], expr: !DIExpression())50// CHECK-LDsm-DAG: [[LDVAL:.*]] = distinct !DIGlobalVariable(name: "ldVal", {{.*}}, isLocal: true, isDefinition: true)51// CHECK-LDsm-DAG: !DIGlobalVariableExpression(var: [[LDVAL]], expr:52